CN115290273B - Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof - Google Patents
Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof Download PDFInfo
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- CN115290273B CN115290273B CN202211212106.9A CN202211212106A CN115290273B CN 115290273 B CN115290273 B CN 115290273B CN 202211212106 A CN202211212106 A CN 202211212106A CN 115290273 B CN115290273 B CN 115290273B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention belongs to the technical field of air tightness detection equipment, and particularly relates to an automobile electronic water pump bottom cover spin welding and air tightness test workstation and a detection method thereof, wherein the automobile electronic water pump bottom cover spin welding and air tightness test workstation comprises: the part conveying assembly, the part transferring assembly, the spin-melt welding assembly, the overturning assembly and the air tightness detection assembly are arranged on the workpiece; the pump body and the bottom cover are welded by the spin-melt welding assembly; the pump body is overturned by the overturning assembly, the overturned pump body is sent to the air tightness detection assembly by the part transfer assembly, namely the air tightness detection assembly seals the pump body and jacks up the pump body, and air is extracted from the air tightness detection assembly and pressure is maintained to detect the air tightness of the pump body; the invention realizes the assembly and integration of the pump body and the bottom cover and the detection of the air tightness of the pump body and the bottom cover, the air tightness detection assembly can jack up the pump body in the sealed cavity during air extraction, prevent the vent from being blocked to ensure the smooth air extraction and pressure maintaining, improve the precision of air tightness detection and ensure the quality of the water pump.
Description
Technical Field
The invention belongs to the technical field of air tightness detection equipment, and particularly relates to a rotary fusion welding and air tightness testing workstation for a bottom cover of an automobile electronic water pump and a detection method thereof.
Background
After the pump body and the bottom cover are welded, the air tightness of the pump body and the bottom cover needs to be detected, the pump body welded with the bottom cover is sealed in an integral sealing mode, air is extracted from the sealing cavity, and pressure is maintained for a period of time to detect the air tightness of the bottom cover and the pump body.
Because the pump body needs to be placed in the seal chamber, the phenomenon that the vent hole is blocked by the pump body exists when the pump body is placed or the pump body is pumped from the seal chamber, and the pump body cannot be pumped from the seal chamber or the pumping quantity cannot meet the requirement, so that the air tightness detection result of the bottom cover and the pump body is not accurate, and the quality of the water pump is finally influenced.
Therefore, it is necessary to develop a new station for spin welding and air tightness testing of a bottom cover of an electronic water pump of an automobile and a method for detecting the same to solve the above problems.
Disclosure of Invention
The invention aims to provide a rotary fusion welding and air tightness testing workstation for a bottom cover of an automobile electronic water pump and a detection method thereof.
In order to solve the technical problem, the invention provides an automobile electronic water pump bottom cover spin welding and air tightness testing workstation, which comprises: the part conveying assembly, the part transferring assembly, the spin-melt welding assembly, the overturning assembly and the air tightness detection assembly are arranged on the workpiece; the part conveying assembly, the rotary fusion welding assembly, the overturning assembly and the air tightness detection assembly are arranged on a travelling path of the part transferring assembly; the part transferring assembly sequentially puts the pump body and the bottom cover conveyed by the part conveying assembly into the spin-weld assembly so as to cover the bottom cover on the pump body; the pump body and the bottom cover are welded by the spin-melt welding assembly, so that the pump body welded with the bottom cover is placed into the overturning assembly by the part transferring assembly; the part transferring assembly conveys the overturned pump body into the air tightness detection assembly, namely the air tightness detection assembly seals the pump body and jacks up the pump body, and air is extracted from the air tightness detection assembly and pressure is maintained to detect the air tightness of the pump body; and the air tightness detection assembly discharges the pump body so that the part transfer assembly returns the pump body to the part conveying assembly.
Further, the parts conveying assembly includes: the part conveying belt comprises a part conveying belt and a plurality of carrier plates; the carrier plates are arranged on the part conveyor belt at intervals, and each carrier plate is provided with a pump body bearing platform and a bottom cover bearing platform; corresponding placing grooves are respectively formed in the pump body bearing table and the bottom cover bearing table and are used for placing the pump body and the bottom cover respectively.
Further, the parts transfer assembly includes: the four-shaft mechanical arm comprises a four-shaft mechanical arm, a pump body clamping jaw and a bottom cover clamping jaw; the part conveying assembly, the spin-melt welding assembly, the overturning assembly and the air tightness detection assembly are arranged on a traveling path of the four-axis manipulator; the pump body clamping jaw and the bottom cover clamping jaw are arranged at the movable part of the four-shaft manipulator through the rotating plate, and the pump body clamping jaw and the bottom cover clamping jaw are arranged in a back-to-back mode; the four-axis manipulator drives the pump body clamping jaw and the bottom cover clamping jaw to move, so that the pump body clamping jaw clamps the pump body and the bottom cover clamping jaw clamps the bottom cover.
Further, the spin weld assembly includes: the device comprises a first clamping seat, a first clamping cylinder and a spin welding machine; the first material clamping seat is provided with a semicircular discharging groove, the first material clamping cylinder is movably arranged on one side of the first material clamping seat, and the first material clamping cylinder is arranged towards the semicircular discharging groove; the rotary melting welding machine is arranged above the semicircular feeding groove through the first moving pair; the part transfer assembly places the pump body conveyed on the part conveying assembly in the semicircular discharging groove, and the first material clamping cylinder moves towards the semicircular discharging groove until the pump body is clamped, so that the part transfer assembly covers a bottom cover conveyed on the part conveying assembly on the pump body; the rotary melting welding machine is driven by the first moving pair to move towards the pump body covered with the bottom cover in the semicircular discharging groove, so that the pump body is welded with the bottom cover.
Further, the flipping assembly comprises: a turnover motor and a clamping cylinder; the movable part of the turnover motor is connected with the mounting part of the clamping cylinder; the part transfer assembly is used for placing the pump body welded with the bottom cover between the two movable claws of the clamping cylinder, so that the clamping cylinder clamps the pump body, namely the overturning motor drives the clamping cylinder to overturn, and the pump body is driven to overturn.
Further, the airtightness detection assembly includes: the device comprises an upper sealing block, a lower sealing block, a sealing and pressing cylinder, an airtight connecting unit and an air pump; the upper sealing block is movably arranged above the lower sealing block through a guide rail, the sealing and pressing cylinder is arranged on the guide rail, and the movable part of the sealing and pressing cylinder is connected with the top of the upper sealing block; the bottom of the upper sealing block is provided with an upper sealing groove, and the top of the lower sealing block is provided with a lower sealing groove; the lower sealing block is provided with an air vent communicated with the lower sealing groove, the airtight connecting unit is movably arranged in the air vent, and the air pump is communicated with the airtight connecting unit; the part transfer assembly sends the overturned pump body into the lower sealing groove, and the sealing compaction cylinder drives the upper sealing block to press downwards until the upper sealing block is attached to the lower sealing block, so that a sealing cavity is formed by the upper sealing groove and the lower sealing groove; the air pump is used for pumping air from the sealed cavity through the airtight connecting unit, so that the pump body blocking the vent hole is jacked up by the airtight connecting unit, namely, air in the sealed cavity is pumped out, and the sealed cavity is pressurized to detect the air tightness of the pump body.
Further, a corresponding sealing ring is arranged on the outer ring of the lower sealing block, which is positioned on the lower sealing groove; the lower sealing block is movably arranged on the second sliding pair; the second sliding pair drives the lower sealing block to move to the position below the upper sealing block or the lower sealing block to move out of the position below the upper sealing block.
Further, the airtight connection unit includes: the air pipe, the mounting cylinder, the rotating piece and the pushing piece; one end of the air pipe is sleeved at the end part of the mounting cylinder, and the other end of the air pipe is connected with the air pump; the rotating piece and the pushing piece are movably arranged in the mounting cylinder, and the rotating piece is movably connected with the pushing piece; the air pump sucks air from the air pipe to enable the rotating piece to rotate in the mounting cylinder, namely the rotating piece drives the pushing piece to move in the air vent so as to jack up the pump body blocking the air vent.
Further, the inner side wall of the mounting cylinder is provided with a rotating groove; the rotating member includes: a rotating ring and a driving ring; the inner side walls of the rotating ring and the driving ring are annularly distributed with a plurality of axial flow blades at intervals, the outer side wall of the rotating ring is provided with rotating limiting blocks, the rotating limiting blocks are clamped in the rotating groove, the outer side wall of the driving ring is provided with two driving limiting blocks, and the two driving limiting blocks are symmetrically arranged around the center of the driving ring; the pusher includes: the pushing ring, the pushing pipe and the elastic annular plate; one end of the pushing ring is provided with two reversely arranged limiting grooves, and each limiting groove is provided with an oblique slideway for respectively mounting the corresponding limiting rings; one end of the pushing pipe is connected with the other end of the pushing ring, and the other end of the pushing ring is connected with the elastic annular plate; the inner side wall of the mounting cylinder is provided with a sliding step, and the pushing pipe is connected with the sliding step through a sleeve spring; the air pump pumps air from the air pipe, the rotating ring rotates along the rotating groove under the action of the axial flow blades to drive the driving ring to rotate, namely, the corresponding limiting ring is in inclined plane fit with an inclined slide way on the corresponding limiting groove on the pushing ring, and the corresponding limiting ring pushes the pushing ring, the pushing pipe and the elastic annular plate to move in the vent hole, so that the elastic annular plate is bent and ejected out of the vent hole to jack up a pump body blocking the vent hole; a filter screen is arranged at one end of the pushing pipe, which is far away from the pushing ring, so that impurities are prevented from being pumped into the air pump, and after the air pump stops pumping, the pushing pipe is reset under the action of a sleeve spring so that the impurities are separated from the filter screen to the elastic annular plate; the tip of elasticity annular plate is the blade setting to be used for scraping impurity in the blow vent.
In another aspect, the invention provides a detection method using the rotary fusion welding and air tightness testing workstation for the bottom cover of the automotive electronic water pump, which comprises the following steps: arranging a part conveying assembly, a spin-melt welding assembly, a turnover assembly and an air tightness detection assembly on a travelling path of a part transferring assembly; the pump body and the bottom cover conveyed by the part conveying assembly are sequentially placed into the spin-melt welding assembly through the part transferring assembly, so that the bottom cover is covered on the pump body; welding the pump body and the bottom cover through the spin-melting welding assembly so that the part transferring assembly can place the pump body welded with the bottom cover into the overturning assembly; the pump body is turned over through the turning assembly so that a bottom cover welded on the pump body faces downwards, and the turned pump body is sent into the air tightness detection assembly through the part transfer assembly; sealing and jacking the pump body through the air tightness detection assembly, and extracting air and maintaining pressure in the air tightness detection assembly to detect the air tightness of the pump body; and discharging the pump body through the air tightness detection assembly so that the part transfer assembly returns the pump body to the part conveying assembly.
The invention has the advantages that the pump body and the bottom cover are assembled and integrated through the part conveying assembly, the part transferring assembly and the spin-melting welding assembly, meanwhile, the air sealing between the pump body and the bottom cover is detected through the part transferring assembly, the overturning assembly and the air tightness detecting assembly, the air tightness detecting assembly can jack up the pump body in the sealed cavity during air suction, the vent hole is prevented from being blocked, the air suction and pressure maintaining are ensured to be carried out smoothly, the air tightness detecting precision can be improved, and the quality of the water pump is ensured.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a self-contained view of an automotive electronic water pump bottom cover spin-weld, air-tightness test station of the present invention;
FIG. 2 is a block diagram of the parts transfer assembly of the present invention;
FIG. 3 is a block diagram of the parts transfer assembly of the present invention;
FIG. 4 is a block diagram of a spin-weld assembly of the present invention;
FIG. 5 is a block diagram of the flip assembly of the present invention;
FIG. 6 is a structural view of the airtightness detection assembly according to the present invention;
FIG. 7 is a block diagram of the lower seal block of the present invention;
FIG. 8 is a structural view of the airtight connection unit of the present invention;
FIG. 9 is an exploded view of the hermetically sealed connection unit of the present invention;
FIG. 10 is a block diagram of the mounting cartridge of the present invention;
FIG. 11 is a block diagram of a rotating member of the present invention;
FIG. 12 is a block diagram of the pusher member of the present invention;
FIG. 13 is an assembly view of the pusher tube and resilient annular plate of the present invention;
fig. 14 is a block diagram of the screen of the present invention.
In the figure:
1. a part transfer assembly; 11. a carrier plate; 12. a pump body bearing table; 13. a bottom cover bearing table;
2. a part transfer assembly; 21. a four-axis manipulator; 22. a pump body clamping jaw; 23. a bottom cover jaw; 24. a rotating plate;
3. spin-weld the assembly; 31. a first clamping seat; 32. a first material clamping cylinder; 33. spin welding machine; 34. a first sliding pair;
4. a turnover assembly; 41. turning over a motor; 42. a clamping cylinder;
5. an air tightness detection assembly; 51. an upper sealing block; 52. a lower seal block; 521. a lower seal groove; 522. a vent; 53. sealing and pressing the air cylinder; 54. an airtight connection unit; 541. an air tube; 542. mounting the cylinder; 5421. a rotating tank; 5422. a limiting part; 543. a rotating member; 5431. a rotating ring; 5432. a drive ring; 5433. an axial flow blade; 5434. rotating the limiting block; 5435. a driving limiting block; 544. a pusher member; 5441. a push ring; 5442. pushing the pipe; 5443. an elastic annular plate; 5444. a limiting groove; 5445. a spring sleeve; 5446. a sliding part; 5447. cutting edges; 5448. a slot; 545. filtering with a screen; 55. a guide rail; 56. and (5) sealing rings.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
In this embodiment, as shown in fig. 1 to 14, this embodiment provides an automotive electronic water pump bottom cover spin welding, air tightness testing workstation, which includes: the part transferring assembly comprises a part conveying assembly 1, a part transferring assembly 2, a spin-melt welding assembly 3, a turnover assembly 4 and an air tightness detecting assembly 5; the part conveying assembly 1, the spin-melt welding assembly 3, the overturning assembly 4 and the air tightness detection assembly 5 are arranged on a travelling path of the part transferring assembly 2; the part transferring assembly 2 sequentially puts the pump body and the bottom cover conveyed by the part conveying assembly 1 into the spin-weld assembly 3 so as to cover the bottom cover on the pump body; the pump body and the bottom cover are welded by the spin-melt welding component 3, so that the pump body welded with the bottom cover is placed into the overturning component 4 by the part transferring component 2; the overturning assembly 4 overturns the pump body so that a bottom cover welded on the pump body faces downwards, the part transferring assembly 2 sends the overturned pump body into the air tightness detection assembly 5, namely the air tightness detection assembly 5 seals the pump body and jacks up the pump body, and air is extracted from the air tightness detection assembly 5 and pressure is maintained to detect the air tightness of the pump body; and the air tightness detection assembly 5 discharges the pump body, so that the part transfer assembly 2 returns the pump body to the part conveying assembly 1.
In this embodiment, this embodiment realizes the pump body and bottom assembly integration through part conveying subassembly 1, part transfer subassembly 2, spin-weld subassembly 3, shifts subassembly 2, upset subassembly 4 and gas tightness detection subassembly 5 realization by the part simultaneously and detects the airtight of the pump body and bottom, and gas tightness detection subassembly 5 can jack up the internal pump body of seal chamber when bleeding, prevents that vent 522 from being plugged up in order to guarantee to bleed, the pressurize goes on smoothly, can improve the precision that the gas tightness detected, and guarantees the water pump quality.
In the present embodiment, the parts feeder assembly 1 includes: a part conveyor belt and a plurality of carrier plates 11; the carrier plates 11 are arranged on the part conveyor belt at intervals, and each carrier plate 11 is provided with a pump body bearing platform 12 and a bottom cover bearing platform 13; corresponding placing grooves are respectively formed in the pump body bearing table 12 and the bottom cover bearing table 13 and are used for placing the pump body and the bottom cover respectively.
In the embodiment, the parts conveyer belt is used for conveying, a set of pump body and bottom cover is placed on each carrier plate 11, and an identification code is set on each carrier plate 11, if the pump body and the bottom cover are detected to be not airtight in the airtight detection module 5, the parts transfer module 2 will return the unqualified products in the airtight detection module 5 to the corresponding carrier plate 11, and the identification code corresponding to the carrier plate 11 will give corresponding detection information to be sent to the subsequent equipment along with the carrier plate 11.
In the present embodiment, the parts transfer assembly 2 includes: the four-shaft mechanical arm 21, the pump body clamping jaw 22 and the bottom cover clamping jaw 23; the part conveying assembly 1, the spin-melt welding assembly 3, the overturning assembly 4 and the air tightness detection assembly 5 are arranged on a traveling path of the four-shaft manipulator 21; the pump body clamping jaw 22 and the bottom cover clamping jaw 23 are arranged at the movable part of the four-shaft manipulator 21 through a rotating plate 24, and the pump body clamping jaw 22 and the bottom cover clamping jaw 23 are arranged in a back-to-back manner; the four-shaft mechanical arm 21 drives the pump body clamping jaw 22 and the bottom cover clamping jaw 23 to move, so that the pump body clamping jaw 22 clamps the pump body and the bottom cover clamping jaw 23 clamps the bottom cover.
In this embodiment, the four-axis manipulator 21 can drive the pump body clamping jaw 22 and the bottom cover clamping jaw 23 to move along the traveling path in the space, so that the pump body clamping jaw 22 clamps the pump body and the bottom cover clamping jaw 23 clamps the bottom cover to transfer and place.
In the present embodiment, the spin-weld assembly 3 includes: the first clamping seat 31, the first clamping cylinder 32 and the spin welding machine 33; a semicircular discharging groove is formed in the first clamping seat 31, the first clamping cylinder 32 is movably arranged on one side of the first clamping seat 31, and the first clamping cylinder 32 is arranged towards the semicircular discharging groove; the spin-welding machine 33 is arranged above the semicircular feeding groove through a first moving pair 34; the part transferring assembly 2 places the pump body conveyed on the part conveying assembly 1 in the semicircular discharge groove, and the first clamping cylinder 32 moves towards the semicircular discharge groove until the pump body is clamped, so that the part transferring assembly 2 covers the bottom cover conveyed on the part conveying assembly 1 on the pump body; the spin-weld machine 33 is driven by the first moving pair 34 to move towards the pump body covered with the bottom cover in the semicircular discharge groove, so as to weld the pump body and the bottom cover.
In this embodiment, the component transferring assembly 2 can cooperate with the first material clamping seat 31 and the first material clamping cylinder 32 to clamp the pump body, so that the spin welding machine 33 performs spin welding on the clamped pump body to weld the bottom cover on the pump body, and after the component transferring assembly 2 clamps the welded pump body, the first material clamping seat 31 and the first material clamping cylinder 32 loosen the pump body, so that the component transferring assembly 2 transfers the pump body to the next process.
In this embodiment, the flipping unit 4 includes: a turnover motor 41 and a clamping cylinder 42; the movable part of the turnover motor 41 is connected with the mounting part of the clamping cylinder 42; the part transferring assembly 2 places the pump body welded with the bottom cover between two movable claws of the clamping cylinder 42, so that the clamping cylinder 42 clamps the pump body, that is, the overturning motor 41 drives the clamping cylinder 42 to overturn, so as to drive the pump body to overturn.
In this embodiment, the part transferring assembly 2 cooperates with the clamping cylinder 42, so that the pump body is clamped between two movable claws of the clamping cylinder 42, and the pump body is turned over under the action of the turning motor 41, and the part transferring assembly 2 clamps the pump body turned over on the clamping cylinder 42, so as to transfer to the next process for detecting the air tightness of the pump body and the bottom cover.
In the present embodiment, the airtightness detection assembly 5 includes: an upper sealing block 51, a lower sealing block 52, a sealing and pressing cylinder 53, an airtight connecting unit 54 and an air pump; the upper sealing block 51 is movably arranged above the lower sealing block 52 through a guide rail 55, the sealing and pressing cylinder 53 is arranged on the guide rail 55, and the movable part of the sealing and pressing cylinder 53 is connected with the top of the upper sealing block 51; an upper sealing groove is formed in the bottom of the upper sealing block 51, and a lower sealing groove 521 is formed in the top of the lower sealing block 52; the lower sealing block 52 is provided with an air vent 522 communicated with the lower sealing groove 521, the airtight connecting unit 54 is movably arranged in the air vent 522, and the air pump is communicated with the airtight connecting unit 54; the part transferring assembly 2 sends the overturned pump body into the lower sealing groove 521, and the sealing pressing cylinder 53 drives the upper sealing block 51 to press downwards until the upper sealing block 51 is attached to the lower sealing block 52, so that a sealing cavity is formed by the upper sealing groove and the lower sealing groove 521; the air pump draws air from the sealed cavity through the airtight connection unit 54, so that the airtight connection unit 54 jacks up the pump body blocking the vent 522, namely air in the sealed cavity is drawn out, and the sealed cavity is maintained in pressure to detect the air tightness of the pump body.
In this embodiment, an air pressure sensor is disposed in the lower sealing groove 521, and the leakage rate between the pump body and the bottom cover is automatically calculated according to the pressure drop in the sealing cavity, that is, the air tightness is detected.
In this embodiment, in order to prevent the pump body from blocking the vent hole 522 in the lower sealing groove 521, the air pump can drive the airtight connection unit 54 to jack the vent hole 522 into the lower sealing groove 521 during air suction, so as to jack up the pump body in the sealing cavity, ensure that air in the sealing cavity can be pumped out by the air pump, and ensure that the air tightness detection is performed smoothly.
In the present embodiment, a corresponding sealing ring 56 is disposed on the outer ring of the lower sealing groove 521 on the lower sealing block 52; the lower sealing block 52 is movably arranged on the second sliding pair; the second sliding pair drives the lower sealing block 52 to move to the lower part of the upper sealing block 51 or the lower sealing block 52 moves out from the lower part of the upper sealing block 51.
In this embodiment, the sealing ring 56 is disposed on the lower sealing block 52, so that the upper sealing block 51 and the lower sealing block 52 are attached by the sealing ring 56, the sealing performance of the sealing cavity formed by the upper sealing groove and the lower sealing groove 521 can be improved, and air leakage between the upper sealing block 51 and the lower sealing block 52 is avoided during air pumping of the air pump.
In the present embodiment, the airtight connection unit 54 includes: an air pipe 541, an installation barrel 542, a rotary piece 543 and a pushing piece 544; one end of the air pipe 541 is sleeved on the end of the mounting cylinder 542, and the other end of the air pipe 541 is connected with an air pump; the rotary piece 543 and the pushing piece 544 are movably arranged in the mounting barrel 542, and the rotary piece 543 and the pushing piece 544 are movably connected; the air pump draws air from the air tube 541 to rotate the rotary member 543 in the mounting tube 542, that is, the rotary member 543 drives the pushing member 544 to move in the air vent 522 to lift the pump body blocking the air vent 522.
In this embodiment, the inner side wall of the mounting tube 542 is provided with a rotating groove 5421; the rotary piece 543 includes: a rotation ring 5431 and a drive ring 5432; the inner side walls of the rotating ring 5431 and the driving ring 5432 are all annularly distributed with a plurality of axial flow blades 5433 at intervals, the outer side wall of the rotating ring 5431 is provided with a rotating limiting block 5434, the rotating limiting block 5434 is clamped in the rotating groove 5421, the outer side wall of the driving ring 5432 is provided with two driving limiting blocks 5435, and the two driving limiting blocks 5435 are symmetrically arranged around the center of the driving ring 5432; the pusher 544 includes: push ring 5441, push tube 5442, and elastic annular plate 5443; one end of the push ring 5441 is provided with two reversely arranged limiting grooves 5444, and each limiting groove 5444 is provided with an oblique slideway for respectively mounting a corresponding limiting ring; one end of the push pipe 5442 is connected with the other end of the push ring 5441, and the other end of the push ring 5441 is connected with the elastic annular plate 5443; the inner side wall of the mounting cylinder 542 is provided with a sliding step, and the push pipe 5442 is connected with the sliding step through a sleeve spring 5445; the air pump sucks air from the air pipe 541, the rotating ring 5431 rotates along the rotating groove 5421 under the action of the axial flow blades 5433 to drive the driving ring 5432 to rotate, namely, the corresponding limiting ring is in inclined plane fit with an inclined slide way on the corresponding limiting groove 5444 on the pushing ring 5441, and the corresponding limiting ring pushes the pushing ring 5441, the pushing pipe 5442 and the elastic annular plate 5443 to move in the vent 522, so that the elastic annular plate 5443 is bent and ejected out of the vent 522 to eject the pump body blocking the vent 522; a filter screen 545 is arranged at one end of the push pipe 5442 away from the push ring 5441 to prevent impurities from being pumped into the air pump, and after the air pump stops pumping, the push pipe 5442 is reset under the action of a spring 5445 to enable the impurities to be separated from the filter screen 545 to the elastic annular plate 5443; the end of the elastic ring plate 5443 is provided with a cutting edge 5447 for scraping impurities in the air vent 522.
In this embodiment, the rotating ring 5431 is connected to the rotating groove 5421 through the rotating limiting block 5434, and since the inner side walls of the rotating ring 5431 and the driving ring 5432 are all annularly distributed with a plurality of axial flow blades 5433 at intervals, the rotating ring 5431 can rotate in the mounting tube 542, and the included angle of the rotating groove 5421 is not greater than 180 °, so that the rotating angle of each driving limiting block 5435 on the driving ring 5432 is less than 180 °, that is, each driving limiting block 5435 always slides on an oblique slide way on the corresponding limiting groove 5444, two convex limiting portions 5422 are further provided on the inner side wall of the mounting tube 542, the two limiting portions 5422 are symmetrically arranged about the axis of the mounting tube 542, and the corresponding sliding portions 5446 are axially provided at the connection positions of the two sides of the two limiting grooves 5444 on the pushing ring 5441, and the corresponding limiting portions 5422 limit the pushing ring 5441 through the corresponding sliding portions 5446, so that the pushing ring 5441 axially moves under the matching of the sliding portions 5446 and the pushing ring 5441 drives the elastic top plate 5443 to block the annular vent hole 522 and the elastic top plate 522 and block the top plate 521 when the pump body 521 rotates.
In this embodiment, the elastic annular plate 5443 may be a semi-open hose of a certain hardness, and may be deformed or used to jack up the pump body.
In this embodiment, the function of the filter screen 545 is to prevent impurities from entering the air pump, thereby avoiding reducing the service life of the air pump, and meanwhile, the upper cutting edge 5447 of the elastic annular plate 5443 can clean the impurities in the air vent 522, so that the elastic annular plate 5443 can collect the impurities conveniently, when the airtight connection unit 54 is taken out of the air vent 522, the impurities on the elastic annular plate 5443 can be shaken off, and meanwhile, the connection between the push pipe 5442 and the elastic annular plate 5443 is provided with the slot 5448 for inserting the filter screen 545, so that the filter screen 545 can be replaced and cleaned conveniently.
Example 2
In another aspect, the present invention provides a method for detecting an air-tight test workstation using spin welding of a bottom cover of an electronic water pump of an automobile as in embodiment 1, including: arranging a part conveying assembly 1, a spin-melt welding assembly 3, a turnover assembly 4 and an air tightness detection assembly 5 on a travelling path of a part transferring assembly 2; the pump body and the bottom cover conveyed by the part conveying assembly 1 are sequentially placed into the spin-weld assembly 3 through the part transferring assembly 2, so that the bottom cover is covered on the pump body; the pump body is welded with the bottom cover through the spin-melt welding component 3, so that the pump body welded with the bottom cover is placed into the overturning component 4 through the part transferring component 2; the pump body is turned over through the turning assembly 4 so that a bottom cover welded on the pump body faces downwards, and the turned pump body is sent into the air tightness detection assembly 5 through the part transfer assembly 2; the pump body is sealed and jacked up through the air tightness detection component 5, air is extracted from the air tightness detection component 5, and pressure is maintained to detect the air tightness of the pump body; and discharging the pump body through the air tightness detection assembly 5 so that the part transferring assembly 2 returns the pump body to the part conveying assembly 1.
In summary, the pump body and the bottom cover are assembled and integrated through the part conveying assembly, the part transferring assembly and the spin-weld assembly, meanwhile, the air sealing between the pump body and the bottom cover is detected through the part transferring assembly, the overturning assembly and the air tightness detecting assembly, the air tightness detecting assembly can jack up the pump body in the sealed cavity during air suction, the vent hole is prevented from being blocked, the air suction and the pressure maintaining are ensured to be carried out smoothly, the air tightness detecting precision can be improved, and the quality of the water pump is ensured.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides an automotive electronics water pump bottom spin welding, airtight test workstation which characterized in that includes:
the device comprises a part conveying assembly, a part transferring assembly, a rotary fusion welding assembly, a turnover assembly and an air tightness detection assembly; wherein
The part conveying assembly, the spin-melt welding assembly, the overturning assembly and the air tightness detection assembly are arranged on a travelling path of the part transferring assembly;
the part transferring assembly sequentially puts the pump body and the bottom cover conveyed by the part conveying assembly into the spin-weld assembly so as to cover the bottom cover on the pump body;
the pump body and the bottom cover are welded by the spin-melt welding assembly, so that the pump body welded with the bottom cover is placed into the overturning assembly by the part transferring assembly;
the turnover assembly turns over the pump body to enable the bottom cover welded on the pump body to face downwards, and the part transfer assembly sends the turned-over pump body into the air tightness detection assembly, namely
The air tightness detection assembly seals and jacks up the pump body, and air is extracted from the air tightness detection assembly and pressure is maintained to detect the air tightness of the pump body; and
the air tightness detection assembly discharges the pump body so that the part transfer assembly discharges the pump body back to the part conveying assembly;
the airtightness detection assembly includes: the air pump comprises an upper sealing block, a lower sealing block, a sealing and pressing cylinder, an airtight connecting unit and an air pump;
the upper sealing block is movably arranged above the lower sealing block through a guide rail, the sealing and pressing cylinder is arranged on the guide rail, and the movable part of the sealing and pressing cylinder is connected with the top of the upper sealing block;
the bottom of the upper sealing block is provided with an upper sealing groove, and the top of the lower sealing block is provided with a lower sealing groove;
the lower sealing block is provided with an air vent communicated with the lower sealing groove, the airtight connecting unit is movably arranged in the air vent, and the air pump is communicated with the airtight connecting unit;
the part transfer assembly sends the overturned pump body into the lower sealing groove, and the sealing compaction cylinder drives the upper sealing block to press downwards until the upper sealing block is attached to the lower sealing block, so that a sealing cavity is formed by the upper sealing groove and the lower sealing groove;
the air pump sucks air from the sealed cavity through the airtight connecting unit, so that the pump body blocking the vent hole is jacked up by the airtight connecting unit, namely
Extracting gas in the sealed cavity, and maintaining the pressure of the sealed cavity to detect the air tightness of the pump body;
the airtight connection unit includes: the air pipe, the mounting barrel, the rotating piece and the pushing piece;
one end of the air pipe is sleeved at the end part of the mounting cylinder, and the other end of the air pipe is connected with the air pump;
the rotating part and the pushing part are movably arranged in the mounting cylinder, and the rotating part is movably connected with the pushing part;
the air pump draws air from the air pipe to rotate the rotating part in the mounting cylinder, i.e.
The rotating piece drives the pushing piece to move in the air vent so as to jack up the pump body blocking the air vent;
the inner side wall of the mounting cylinder is provided with a rotating groove;
the rotating member includes: a rotating ring and a driving ring;
the inner side walls of the rotating ring and the driving ring are annularly distributed with a plurality of axial flow blades at intervals, the outer side wall of the rotating ring is provided with rotating limiting blocks, the rotating limiting blocks are clamped in the rotating groove, the outer side wall of the driving ring is provided with two driving limiting blocks, and the two driving limiting blocks are symmetrically arranged around the center of the driving ring;
the pusher includes: the pushing ring, the pushing pipe and the elastic annular plate;
one end of the pushing ring is provided with two reversely arranged limiting grooves, and each limiting groove is provided with an oblique slideway for respectively mounting the corresponding limiting rings;
one end of the pushing pipe is connected with the other end of the pushing ring, and the other end of the pushing ring is connected with the elastic annular plate;
the inner side wall of the mounting cylinder is provided with a sliding step, and the pushing pipe is connected with the sliding step through a sleeve spring;
the air pump extracts air from the air pipe, and the rotating ring rotates along the rotating groove under the action of the axial flow blades to drive the driving ring to rotate, namely
Corresponding spacing ring with the last oblique slide that corresponds of thrust ring goes up the inclined plane cooperation, and corresponding spacing ring promotes thrust ring, thrust pipe and elastic annular plate remove in the blow vent, so that elastic annular plate buckles and ejecting from the blow vent to the pump body jack-up that will plug up the blow vent.
2. The spin weld, hermetic seal test station for automotive electronic water pump bottom caps of claim 1,
the parts conveying assembly comprises: the part conveying belt comprises a part conveying belt and a plurality of carrier plates;
the carrier plates are arranged on the part conveyor belt at intervals, and each carrier plate is provided with a pump body bearing table and a bottom cover bearing table;
corresponding placing grooves are respectively formed in the pump body bearing table and the bottom cover bearing table and used for placing the pump body and the bottom cover respectively.
3. The spin weld, hermetic seal test station for automotive electronic water pump bottom caps of claim 1,
the parts transfer assembly includes: the four-shaft mechanical arm comprises a four-shaft mechanical arm, a pump body clamping jaw and a bottom cover clamping jaw;
the part conveying assembly, the spin-melt welding assembly, the overturning assembly and the air tightness detection assembly are arranged on a traveling path of the four-axis manipulator;
the pump body clamping jaw and the bottom cover clamping jaw are arranged at the movable part of the four-shaft manipulator through the rotating plate, and the pump body clamping jaw and the bottom cover clamping jaw are arranged in a back-to-back mode;
the four-axis manipulator drives the pump body clamping jaw and the bottom cover clamping jaw to move, so that the pump body clamping jaw clamps the pump body and the bottom cover clamping jaw clamps the bottom cover.
4. The spin weld, hermetic seal test station for automotive electronic water pump bottom caps of claim 1,
the spin-weld assembly includes: the device comprises a first clamping seat, a first clamping cylinder and a spin welding machine;
the first material clamping seat is provided with a semicircular discharging groove, the first material clamping cylinder is movably arranged on one side of the first material clamping seat, and the first material clamping cylinder is arranged towards the semicircular discharging groove;
the rotary melting welding machine is arranged above the semicircular feeding groove through the first moving pair;
the part transfer assembly places the pump body conveyed on the part conveying assembly in the semicircular discharging groove, and the first material clamping cylinder moves towards the semicircular discharging groove until the pump body is clamped, so that the part transfer assembly covers a bottom cover conveyed on the part conveying assembly on the pump body;
the rotary melting welding machine is driven by the first moving pair to move towards the pump body covered with the bottom cover in the semicircular material discharge groove, so that the pump body is welded with the bottom cover.
5. The spin weld, hermetic seal test station for automotive electronic water pump bottom caps of claim 1,
the flip assembly includes: a turnover motor and a clamping cylinder;
the movable part of the turnover motor is connected with the mounting part of the clamping cylinder;
the pump body welded with the bottom cover is placed between the two movable claws of the clamping cylinder by the part transferring assembly, so that the clamping cylinder clamps the pump body, namely the pump body is clamped by the clamping cylinder
The overturning motor drives the clamping cylinder to overturn so as to drive the pump body to overturn.
6. The spin weld, hermetic seal test station for automotive electronic water pump bottom caps of claim 1,
a corresponding sealing ring is arranged on the outer ring of the lower sealing groove on the lower sealing block;
the lower sealing block is movably arranged on the second sliding pair;
the second sliding pair drives the lower sealing block to move to the position below the upper sealing block or the lower sealing block to move out of the position below the upper sealing block.
7. A method for testing a spin-welded, airtight testing station for an automotive electronic water pump bottom cover according to any one of claims 1 to 6, comprising:
arranging a part conveying assembly, a spin-melt welding assembly, a turnover assembly and an air tightness detection assembly on a travelling path of a part transferring assembly;
the pump body and the bottom cover conveyed by the part conveying assembly are sequentially placed into the spin-melt welding assembly through the part transferring assembly, so that the bottom cover is covered on the pump body;
welding the pump body and the bottom cover through the spin-melting welding assembly so that the pump body welded with the bottom cover is placed into the overturning assembly through the part transferring assembly;
the pump body is turned over through the turning assembly so that a bottom cover welded on the pump body faces downwards, and the turned pump body is sent into the air tightness detection assembly through the part transfer assembly;
sealing and jacking the pump body through the air tightness detection assembly, and extracting air and maintaining pressure in the air tightness detection assembly to detect the air tightness of the pump body; and
the pump body is discharged through the air tightness detection assembly, so that the part transfer assembly can place the pump body back to the part conveying assembly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211212106.9A CN115290273B (en) | 2022-09-30 | 2022-09-30 | Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211212106.9A CN115290273B (en) | 2022-09-30 | 2022-09-30 | Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof |
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| CN115290273A CN115290273A (en) | 2022-11-04 |
| CN115290273B true CN115290273B (en) | 2023-01-03 |
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| CN115901099B (en) * | 2023-01-05 | 2023-05-09 | 中科摩通(常州)智能制造股份有限公司 | Heat pump air tightness detection device and detection method thereof |
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| CN201795902U (en) * | 2010-07-15 | 2011-04-13 | 天津滨海约翰汽车零件有限公司 | Tightness tester for water pump casing of automobile |
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